ubuntu-linux-kernel/tools/testing/selftests/rcutorture/bin/parse-console.sh

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2024-04-01 15:06:58 +00:00
#!/bin/bash
#
# Check the console output from an rcutorture run for oopses.
# The "file" is a pathname on the local system, and "title" is
# a text string for error-message purposes.
#
# Usage: parse-console.sh file title
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, you can access it online at
# http://www.gnu.org/licenses/gpl-2.0.html.
#
# Copyright (C) IBM Corporation, 2011
#
# Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
file="$1"
title="$2"
. functions.sh
if grep -Pq '\x00' < $file
then
print_warning Console output contains nul bytes, old qemu still running?
fi
egrep 'Badness|WARNING:|Warn|BUG|===========|Call Trace:|Oops:|detected stalls on CPUs/tasks:|self-detected stall on CPU|Stall ended before state dump start|\?\?\? Writer stall state|rcu_.*kthread starved for' < $file | grep -v 'ODEBUG: ' | grep -v 'Warning: unable to open an initial console' > $1.diags
if test -s $1.diags
then
print_warning Assertion failure in $file $title
# cat $1.diags
summary=""
n_badness=`grep -c Badness $1`
if test "$n_badness" -ne 0
then
summary="$summary Badness: $n_badness"
fi
n_warn=`grep -v 'Warning: unable to open an initial console' $1 | egrep -c 'WARNING:|Warn'`
if test "$n_warn" -ne 0
then
summary="$summary Warnings: $n_warn"
fi
n_bugs=`egrep -c 'BUG|Oops:' $1`
if test "$n_bugs" -ne 0
then
summary="$summary Bugs: $n_bugs"
fi
n_calltrace=`grep -c 'Call Trace:' $1`
if test "$n_calltrace" -ne 0
then
summary="$summary Call Traces: $n_calltrace"
fi
n_lockdep=`grep -c =========== $1`
if test "$n_badness" -ne 0
then
summary="$summary lockdep: $n_badness"
fi
n_stalls=`egrep -c 'detected stalls on CPUs/tasks:|self-detected stall on CPU|Stall ended before state dump start|\?\?\? Writer stall state' $1`
if test "$n_stalls" -ne 0
then
summary="$summary Stalls: $n_stalls"
fi
n_starves=`grep -c 'rcu_.*kthread starved for' $1`
if test "$n_starves" -ne 0
then
summary="$summary Starves: $n_starves"
fi
print_warning Summary: $summary
else
rm $1.diags
fi